/ Dictionary / Index B bile salt: Meaning and Definition of Find definitions for: bile' salt" Pronunciation: [key] — Physiol. Physiol. a product of a bile acid and a base, functioning as an emulsifier of lipids and fatty acids for absorption in the duodenum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bile duct bilestone Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language